Question about 1997 GMC Yukon

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Will a repair manual explain to me how to fix a brake booster?

My brake booster is going out on my 97 GMC Yukon and I wanted to know if I buy a manual will it explain to me how to fix it?

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Yes , for sure. A haynes manual is a must have for anyone who wants to do work on their own car. It will save you hours of frustration and unnecessary work. WELL worth the cost.
When you say the booster is going out , are you sure ?
They work of a vacumme hose from the engine , if that hose is leaking , or the little valve where it goes into the booster is no good , than you might think the booster is bad when it is good.
In general terms either the booster is good , or it is bad and you have to stand on the pedal to get any brakes.
If you post more info about what your brakes are doing , or not doing , someone might give you a different solution / diagnosis.

Posted on Jun 02, 2010

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Posted on Jan 02, 2017

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Can I use a 97 GMC Jimmy brake booster to replace a 98 GMC Jimmy brake booster? I'm buying a vehicle and need this part but found a 97 way cheaper than the 98 and they look the same! TIA


I don't if that differs between manufacturers? I looked at rockauto.com for your brake booster, cardone part for your vehicle lists 97--2005 for your vehicle, brake booster.
If all the hook-ups are the same as the one your looking at, I don't know why it wouldn't work?
You know how it is, I see nothing from here.

Oct 09, 2016 | GMC Cars & Trucks

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I have a 1998 gmc yukon and i need to replace the brake booster but i dont know how what do i do?


Can you provide me with additional information? Such as, does the brake pedal go to the floor when applying the brakes, are the brakes spongy, non responsive? Is there anything leading up to this issue, such as a minor accident?

Apr 18, 2014 | 1998 GMC Yukon

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Buy a repair manual at an auto part store good wiring diagram in back of books. don't want to buy check one out of libuary. also go on a yukon forum many answers and information found there.

Oct 04, 2013 | 2007 GMC Yukon

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I want to know a ill bit more about how the problem started. If it just went from having brakes to not having brakes it could be the brake master cylinder, or on gm vehicles they have a brake proportion valve. Let me know how it started please

Feb 19, 2013 | 1997 GMC Yukon

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It depends on if your Yukon is equipped with a vacuum brake booster or a hydroboost brake booster.

Jun 03, 2012 | 1998 GMC Yukon

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Remove brake master ! Two bolts holding it to the booster disconnect vac hose ! Now go in the truck follow the brake pedal up remove the pin the connects the pedal to the booster ! There will be 4 bolts holding the booster in place! Once bolts are out push booster out gently!

Oct 05, 2011 | 1996 GMC Yukon

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I have a 1998 GMC yukon and the problem is that


The Master Booster is located in the Engine compartment. You shouldn't have to touch anything under your dash at all. The master comes unbolted, you slide it out slightly to disconnect and hardware that may be connected and then remove it. GMC sometimes add connectors to the linking parts between the brake pedal and Booster but they can be disconnected and should be disconnected from the engine side of the firewall. I recommend you get the Haynes repair manual on your vehicle before continuing that repair.

Jul 26, 2010 | 1998 GMC Yukon

1 Answer

I've had a couple of bulbs burn out in my dash and


Buy a repair manual from a auto parts store. Haynes manuals give you a good walk through on how to disassemble the dash. 24065 is the Haynes manual you will need for your truck.

Good Luck,
Subikid90

Mar 04, 2010 | 1997 GMC Yukon

1 Answer

Service brake booster display


Your brake booster is the heart of your power brakes. It runs off a vacuum from the intake to booster. Your brakes will still work as long as they have fluid. They'll just get stiff. It probably means you need a new one

Mar 31, 2009 | 2004 GMC Yukon

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